Fundamental Ideas in Chemistry

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the atoms in an element are...
all the same type
1 of 9
An atom consists of...
a nucleus surrounded by electrons
2 of 9
The correct chemical symbol for sodium is...
Na
3 of 9
A group in a periodic table is...
a column of similar elements
4 of 9
The necleus contains...
protons and neutrons
5 of 9
Protons are...
positively charged
6 of 9
Electrons are...
negatively charged
7 of 9
The atomic number of an atom is...
the number of protons that it contains
8 of 9
The number of protons is always equal to...
the number of electrons
9 of 9

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Card 2

Front

An atom consists of...

Back

a nucleus surrounded by electrons

Card 3

Front

The correct chemical symbol for sodium is...

Back

Preview of the front of card 3

Card 4

Front

A group in a periodic table is...

Back

Preview of the front of card 4

Card 5

Front

The necleus contains...

Back

Preview of the front of card 5
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